MDM25 User Manual
Michell Instruments
1
INTRODUCTION
1
INTRODUCTION
The MDM25 is a battery operated handmeter.
Available with a number of different probe configurations and the ability to display
relative humidity, temperature, absolute humidity (g/m
3
), dew point and wet bulb
temperature, the MDM25 is suitable for spot-checking humidity in a wide variety of
applications.
The hygrometer is contained within a molded ABS housing with a rubber surround for
drop protection – sealed to IP54 standards. The rubber surround allows for comfortable
hand-held operation and safe transportation of the unit.
It is powered by 3 alkaline ‘AA’ size cells, which are designed to last a minimum of 150
continuous hours between replacement. Continuous battery charge status indication is
provided by a battery indicator icon.
A graphical display presents the RH and temperature readings, in addition to a selectable
third value, in large format characters.
